A couple's relationship suffers as they try to get their bickering families to get along during a holiday getaway.

Framed for murder by her cheating husband, a newlywed must find a way to absolve herself of a crime she didn't commit while exposing her spouse before it's too late.

Sparks fly when a greeting card executive arrives in Santa Fe to acquire a tight-knit family company that creates ornaments inspired by Mexican Christmas traditions.

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David welcomes drag queen Alaska.

Adam, Junior and Tani travel to the bottom of the Pacific Ocean when a murder takes place in a remote underwater lab -- and the killer may still be on board.

A couple's relationship suffers as they try to get their bickering families to get along during a holiday getaway.

Framed for murder by her cheating husband, a newlywed must find a way to absolve herself of a crime she didn't commit while exposing her spouse before it's too late.

Four couples find that paradise comes at a price when they must participate in therapy sessions at a tropical resort.

An unlucky-in-love ranch owner feels an undeniable connection to a single father with two children who has booked her ranch for the week of Christmas.

Chloe is a delivery dispatcher who develops a full-blown obsession with Natasha, a social media influencer. She assumes a new identity to befriend Natasha, but her best friend and manager begins to grow increasingly suspicious of Chloe's actions.

When a married fertility nurse falls for a doctor at her clinic, she gets rid of her husband by dismembering him and placing the body parts in three suitcases.

An unlucky-in-love ranch owner feels an undeniable connection to a single father with two children who has booked her ranch for the week of Christmas.

Chloe is a delivery dispatcher who develops a full-blown obsession with Natasha, a social media influencer. She assumes a new identity to befriend Natasha, but her best friend and manager begins to grow increasingly suspicious of Chloe's actions.

When a married fertility nurse falls for a doctor at her clinic, she gets rid of her husband by dismembering him and placing the body parts in three suitcases.

An unlucky-in-love ranch owner feels an undeniable connection to a single father with two children who has booked her ranch for the week of Christmas.

After the death of her beloved grandmother, young Ruby Landry leaves the bayou to search for her wealthy but estranged father in New Orleans.

Ruby is hopeful for a new start with her twin sister as they continue their education at an all-girl's boarding school. However, she soon endures torturous punishments and public humiliation as her cruel headmistress and stepmother plot against her.

When Pearl's younger brother becomes deathly ill, she travels back to the bayou to find Ruby and uncover the mysterious secrets of her past.

Five-0 tries to protect a wounded Gabriel and plan an escape when enemy gunmen storm the dilapidated building in which Gabriel is trapped.

McGarrett and Danny pose as drug pilots in a plan to stop a meth epidemic on the island; Danny is forced to break cover and land the plane when McGarrett is seriously wounded.

The team hunts for a murderer who has been targeting serial killers, marking their corpses with an ivory chess piece.

A rogue MI-6 agent is the key to finding a terrorist who plans to cause the meltdown of nuclear reactors across Europe; McGarrett and Danny need the help of an FBI profiler to find a killer.

After finding a corpse in her bed, FBI profiler Alicia Brown joins McGarrett in a hunt for a killer; Kono reconnects with a former surfing competitor.

When the serial killer that Alicia and McGarrett have been hunting kidnaps them, it's up to Five-0 to find them before it's too late.

Five-0 tries to protect a wounded Gabriel and plan an escape when enemy gunmen storm the dilapidated building in which Gabriel is trapped.

On the stand in her own defense, Sarah Boone says boyfriend Jorge Torres was abusive and voluntarily got into the suitcase; Canadian filmmaker Mark Twitchell, obsessed with the show "Dexter," murders Johnny Altinger and attacks Gilles Tetreault.

Interview with the sister of Ashley Bocanegra, a 30-year-old mother from New York City who was tragically murdered in a deadly love triangle.

The team hunts for a murderer who has been targeting serial killers, marking their corpses with an ivory chess piece.

A rogue MI-6 agent is the key to finding a terrorist who plans to cause the meltdown of nuclear reactors across Europe; McGarrett and Danny need the help of an FBI profiler to find a killer.

After finding a corpse in her bed, FBI profiler Alicia Brown joins McGarrett in a hunt for a killer; Kono reconnects with a former surfing competitor.

When the serial killer that Alicia and McGarrett have been hunting kidnaps them, it's up to Five-0 to find them before it's too late.

Five-0 tries to protect a wounded Gabriel and plan an escape when enemy gunmen storm the dilapidated building in which Gabriel is trapped.

McGarrett and Danny pose as drug pilots in a plan to stop a meth epidemic on the island; Danny is forced to break cover and land the plane when McGarrett is seriously wounded.

The team hunts for a murderer who has been targeting serial killers, marking their corpses with an ivory chess piece.

A rogue MI-6 agent is the key to finding a terrorist who plans to cause the meltdown of nuclear reactors across Europe; McGarrett and Danny need the help of an FBI profiler to find a killer.

After finding a corpse in her bed, FBI profiler Alicia Brown joins McGarrett in a hunt for a killer; Kono reconnects with a former surfing competitor.

On the stand in her own defense, Sarah Boone says boyfriend Jorge Torres was abusive and voluntarily got into the suitcase; Canadian filmmaker Mark Twitchell, obsessed with the show "Dexter," murders Johnny Altinger and attacks Gilles Tetreault.

Interview with the sister of Ashley Bocanegra, a 30-year-old mother from New York City who was tragically murdered in a deadly love triangle.

The web of deceit continues when Ruby returns to her childhood home in the bayou and finds herself lured into a twisted plan to be with her true love.

A young mother attempts to pick up the pieces after a horrible accident damages her memory, but she soon begins to suspect that her husband's indiscretions are what caused her suffering.

Single lawyer Chastity Jeffries finds an ideal partner in Xavier Collins, but as his affection turns to obsession, Chastity realizes that she has been swept up by Xavier's passion and abandoned her principles.

On the stand in her own defense, Sarah Boone says boyfriend Jorge Torres was abusive and voluntarily got into the suitcase; Canadian filmmaker Mark Twitchell, obsessed with the show "Dexter," murders Johnny Altinger and attacks Gilles Tetreault.

Interview with the sister of Ashley Bocanegra, a 30-year-old mother from New York City who was tragically murdered in a deadly love triangle.

A cache of guns is stolen by a person looking to make a statement on gun violence; Kono and Adam are reunited.

On Halloween, the team investigates the murder of a medium who was apparently frightened to death by a poltergeist; a mysterious death cult kidnaps Kono and Adam.

Catherine informs Five-0 that McGarrett's mother has been captured and is in danger of being executed for trying to free Wo Fat's imprisoned father; Chin is unable to delay Sara's adoption.

The NCIS must come to the rescue of one of its own when Sebastian is kidnapped while dining in a restaurant with his mother; Sebastian relies on his gaming skills in a prison break.

While Danny chaperones Grace's high school dance, the venue is seized by terrorists, who hold everyone hostage with the intent of abducting a diplomat's son; Danny and Grover discover that Will is Grace's secret boyfriend.

Hondo's informant friend is killed while seeking information for a joint SWAT and FBI task force; when the FBI task force leader acts erratically, Jessica worries the woman's behavior will endanger the team in the field.

Sheriff Mickey Stines is accused of fatally shooting district judge Kevin Mullins, a longtime friend and co-worker; the father of Molly Young speaks of his hopes for the solution of the 12-year-old cold case.

Evidence showing a woman manipulated her boyfriend into killing a family of four by fabricating cartel threats; a woman is charged with the stabbing death of her roommate.

The NCIS must come to the rescue of one of its own when Sebastian is kidnapped while dining in a restaurant with his mother; Sebastian relies on his gaming skills in a prison break.

Ten newlyweds enjoy their honeymoon in Mexican Riviera; they begin to explore all aspects of the strangers they just married.

Hondo's informant friend is killed while seeking information for a joint SWAT and FBI task force; when the FBI task force leader acts erratically, Jessica worries the woman's behavior will endanger the team in the field.

Ten newlyweds enjoy their honeymoon in Mexican Riviera; they begin to explore all aspects of the strangers they just married.

A conspiracy theorist with compelling information that JFK's own cabinet planned his assassination is murdered.

Hondo's informant friend is killed while seeking information for a joint SWAT and FBI task force; when the FBI task force leader acts erratically, Jessica worries the woman's behavior will endanger the team in the field.

The NCIS must come to the rescue of one of its own when Sebastian is kidnapped while dining in a restaurant with his mother; Sebastian relies on his gaming skills in a prison break.

Sheriff Mickey Stines is accused of fatally shooting district judge Kevin Mullins, a longtime friend and co-worker; the father of Molly Young speaks of his hopes for the solution of the 12-year-old cold case.

Evidence showing a woman manipulated her boyfriend into killing a family of four by fabricating cartel threats; a woman is charged with the stabbing death of her roommate.

A young male intern becomes obsessed with a female project manager after they have a one-night stand.

After suffering torment and abuse at the hands of her abductor, Elle is suddenly released on the side of the road.

Annie faces a crisis when her husband leaves their Amish world to live among regular Americans. Things turn even more dire when her husband returns to seek custody of their son and is willing to do whatever it takes to get what he wants.

Sheriff Mickey Stines is accused of fatally shooting district judge Kevin Mullins, a longtime friend and co-worker; the father of Molly Young speaks of his hopes for the solution of the 12-year-old cold case.

Evidence showing a woman manipulated her boyfriend into killing a family of four by fabricating cartel threats; a woman is charged with the stabbing death of her roommate.

A boy suffering from PTSD undergoes hypnosis and realizes he may have witnessed a murder related to a 10-year-old cold case; Danny's sister visits Oahu.

The team rushes to Mexico, where Chin puts his life in jeopardy in an effort to rescue Sara, his kidnapped niece.

When Chin is kidnapped by a Mexican cartel, Five-0 must rescue him before he is executed by the vengeful group; Grover goes under cover to investigate a murder, which turns out to be far more complex and dangerous than anticipated.

The NCIS and the FBI investigate a private plane crash in the bayou that killed three sailors; Sonja and Lasalle interview candidates for a job opening on the team.

While Max prepares to say his goodbyes, the team investigates a murder during a police convention on the island.

A young heiress is kidnapped for ransom; the team goes on a citywide search to bring her home before she is harmed; the team worries that Mumford is moving too fast when he announces he's getting married for the fourth time.

Real-estate millionaire Sergio Pino's toxic divorce leads to a murder-for-hire plot; a woman who survived brutal attacks and abuse by her ex-boyfriend advocates for "Karen's Law" to prevent violent sexual predators from obtaining parole.

Kaitlin Armstrong is convicted of murdering Anna Moriah "Mo" Wilson; a woman's remains are found buried in the backyard of Carlos Rodriquez.

The NCIS and the FBI investigate a private plane crash in the bayou that killed three sailors; Sonja and Lasalle interview candidates for a job opening on the team.

Sixteen-year-old Diamond Bradley mystifies her family when she suddenly disappears; detectives hope surveillance footage will lead them to the missing girl, but the trail Diamond leaves behind is more terrifying than anyone expected.

Everyone in East Harlem knows Jason Adams and is shocked when his body is found stabbed; detectives are stumped until a tip from an unexpected source points them toward the killer.

A young heiress is kidnapped for ransom; the team goes on a citywide search to bring her home before she is harmed; the team worries that Mumford is moving too fast when he announces he's getting married for the fourth time.

Sixteen-year-old Diamond Bradley mystifies her family when she suddenly disappears; detectives hope surveillance footage will lead them to the missing girl, but the trail Diamond leaves behind is more terrifying than anyone expected.

Everyone in East Harlem knows Jason Adams and is shocked when his body is found stabbed; detectives are stumped until a tip from an unexpected source points them toward the killer.

The team faces a contentious U.S. Marshall after a murder suspect escapes capture and looks for asylum in the sovereign land that belongs to the Nation of Hawaii.

A young heiress is kidnapped for ransom; the team goes on a citywide search to bring her home before she is harmed; the team worries that Mumford is moving too fast when he announces he's getting married for the fourth time.

The NCIS and the FBI investigate a private plane crash in the bayou that killed three sailors; Sonja and Lasalle interview candidates for a job opening on the team.

Real-estate millionaire Sergio Pino's toxic divorce leads to a murder-for-hire plot; a woman who survived brutal attacks and abuse by her ex-boyfriend advocates for "Karen's Law" to prevent violent sexual predators from obtaining parole.

Kaitlin Armstrong is convicted of murdering Anna Moriah "Mo" Wilson; a woman's remains are found buried in the backyard of Carlos Rodriquez.

Refusing to marry the man who abused her as a child, an Amish teen runs away to a neighboring city and tries to adjust to life in the modern world.

A man who calls himself Amish Stud plots with his mistress to murder his wife, to the horror of his conservative Amish community.

Brilliant doctor and mother Deborah Green had the epitome of a picture-perfect life with two children, an adoring husband and a beautiful house in an opulent neighborhood.

Real-estate millionaire Sergio Pino's toxic divorce leads to a murder-for-hire plot; a woman who survived brutal attacks and abuse by her ex-boyfriend advocates for "Karen's Law" to prevent violent sexual predators from obtaining parole.

Kaitlin Armstrong is convicted of murdering Anna Moriah "Mo" Wilson; a woman's remains are found buried in the backyard of Carlos Rodriquez.

While working a murder case, Five-0 discovers that a former Nazi war criminal may be hiding out in an old leprosy colony in Hawaii.

While McGarrett and Danno celebrate Valentine's Day with their girlfriends, the Five-0 team investigates the murder of a man taking a class on how to meet women.

The Five-0 must once again engage in the twisted mind games of serial killer Dr. Madison Gray when she arrives at the HPD covered in blood that matches Alicia Brown's.

A Navy SEAL candidate is murdered weeks before his graduation; Wade seeks Pride's help when her adopted son announces his plan to join the Navy.

After tracking down the missing uranium, which has been used to build a bomb in the middle of the jungle, McGarrett and Danny must move the explosive material through treacherous terrain before it detonates.

As the team works to de-escalate a hostage situation, the mission takes a dangerous turn, which impacts the team; Street tires of his complicated romantic entanglements and agrees to let Chris make over his online dating profile.

In 2019, University of South Carolina student Samantha Josephson enters a car she believes is the rideshare she ordered and is brutally murdered; Kelsie Schelling, a pregnant 21-year-old, is murdered by her boyfriend, Donthe Lucas.

Images from the "Black Swan" murder case show Ashley Benefield's recreation of the night she killed her husband.

A Navy SEAL candidate is murdered weeks before his graduation; Wade seeks Pride's help when her adopted son announces his plan to join the Navy.

McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island; Chin and Grover investigate a murder at a sober living facility.

The Five-0 helps a private investigator in the case of a kidnapped woman whose husband may have something to hide; Rachel tells Danny that she is getting a divorce from Stan.

As the team works to de-escalate a hostage situation, the mission takes a dangerous turn, which impacts the team; Street tires of his complicated romantic entanglements and agrees to let Chris make over his online dating profile.

McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island; Chin and Grover investigate a murder at a sober living facility.

The Five-0 helps a private investigator in the case of a kidnapped woman whose husband may have something to hide; Rachel tells Danny that she is getting a divorce from Stan.

McGarrett and the Five-0 are captured while tracking a dangerous nemesis to the island of Lanai; Grover takes his son to Chicago, where he testifies against a dirty cop.

As the team works to de-escalate a hostage situation, the mission takes a dangerous turn, which impacts the team; Street tires of his complicated romantic entanglements and agrees to let Chris make over his online dating profile.

A Navy SEAL candidate is murdered weeks before his graduation; Wade seeks Pride's help when her adopted son announces his plan to join the Navy.

In 2019, University of South Carolina student Samantha Josephson enters a car she believes is the rideshare she ordered and is brutally murdered; Kelsie Schelling, a pregnant 21-year-old, is murdered by her boyfriend, Donthe Lucas.

Images from the "Black Swan" murder case show Ashley Benefield's recreation of the night she killed her husband.

A small island community is turned upside down when one of the town's citizens, Russel Douglas, is found dead the day after Christmas.

A babysitter believes her employer is hatching a deadly scheme after she overhears a murder plot on the baby monitor.

A woman (Julie Benz) tries to lure her ex-husband (Rick Ravanello) into a trap after the man fakes the death of their son.

In 2019, University of South Carolina student Samantha Josephson enters a car she believes is the rideshare she ordered and is brutally murdered; Kelsie Schelling, a pregnant 21-year-old, is murdered by her boyfriend, Donthe Lucas.

Images from the "Black Swan" murder case show Ashley Benefield's recreation of the night she killed her husband.

McGarrett works the murder case of one of the last survivors of the USS Arizona; Adam uncovers bone fragments at his new construction job.

Danny protects a coma patient who was the key witness from his last case at the Hawaiian Police Department.

McGarrett gets a tip that someone is plotting a terror attack on Oahu; Chin and Abby face a difficult decision.

A sailor is murdered during a rowdy motorcycle rally in the city; Lasalle seeks personal advice from Gregorio.

McGarrett risks his life when Five-0 attempts to rescue the young girls trapped in the sex trafficking ring they have been tracking; Kono makes a life-changing decision.

Hondo confronts his resentment toward his ailing father when he and his sister try to convince their dad he's no longer well enough to live alone; Mumford intends to make Chris a surprising offer.

A new police interview in the case of real estate millionaire Sergio Pino, who hired hit men to kill his estranged wife, Tatiana Pino; Lt. Joe Gliniewicz embezzles funds from a youth program then stages his suicide to appear to be murder.

Evidence that shows a woman manipulated her boyfriend into killing his mistress and her family; a woman who was wrongfully convicted of murdering her boyfriend.

A sailor is murdered during a rowdy motorcycle rally in the city; Lasalle seeks personal advice from Gregorio.

McGarrett and Danny recruit Tani Rey to join the task force when a hacker releases a dangerous arsonist from prison.

The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; MacGarrett and Danny work out details concerning their new restaurant venture.

Hondo confronts his resentment toward his ailing father when he and his sister try to convince their dad he's no longer well enough to live alone; Mumford intends to make Chris a surprising offer.

McGarrett and Danny recruit Tani Rey to join the task force when a hacker releases a dangerous arsonist from prison.

The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; MacGarrett and Danny work out details concerning their new restaurant venture.

McGarrett and the team work with an injured police dog that is the only witness to an ambushed drug bust; a former SEAL looks to join the task force.

Hondo confronts his resentment toward his ailing father when he and his sister try to convince their dad he's no longer well enough to live alone; Mumford intends to make Chris a surprising offer.

A sailor is murdered during a rowdy motorcycle rally in the city; Lasalle seeks personal advice from Gregorio.

A new police interview in the case of real estate millionaire Sergio Pino, who hired hit men to kill his estranged wife, Tatiana Pino; Lt. Joe Gliniewicz embezzles funds from a youth program then stages his suicide to appear to be murder.

Evidence that shows a woman manipulated her boyfriend into killing his mistress and her family; a woman who was wrongfully convicted of murdering her boyfriend.

A woman (Julie Benz) tries to lure her ex-husband (Rick Ravanello) into a trap after the man fakes the death of their son.

While investigating Flippa's friend's murder, McGarrett and Grover uncover a deadly plan by an extremist group on the Island; Grover has an emotional reaction to the case.

As a dangerous hurricane hits Oahu, Five-0 is tasked with protecting El Diablo, a captured serial killer who is being hunted by an assassin; Tani's civilian safety check during the storm turns deadly; Rachel and Charlie evacuate to Danny's house.

When the top salesperson for a beauty company pyramid scheme is murdered, the team sifts through a long list of possible suspects who would want her dead; Adam befriends a homeless man.

Junior is torn between his duties and his feelings for his former girlfriend when her new man is one of the culprits in a bank heist-turned-homicide.

A new police interview in the case of real estate millionaire Sergio Pino, who hired hit men to kill his estranged wife, Tatiana Pino; Lt. Joe Gliniewicz embezzles funds from a youth program then stages his suicide to appear to be murder.

Evidence that shows a woman manipulated her boyfriend into killing his mistress and her family; a woman who was wrongfully convicted of murdering her boyfriend.

The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; MacGarrett and Danny work out details concerning their new restaurant venture.

Hired to stage the ultimate holiday gala, an event planner rediscovers the magic of Christmas while searching for the perfect Santa.

Molly is a recently widowed woman who reluctantly takes on the job of directing a Christmas pageant. She soon finds herself falling for Hank, the leading man and the town's most eligible bachelor.

After inheriting an old house from her beloved aunt, Diana Hart finds clues that suggest her aunt was murdered and the culprit might be her handsome companion.

Model Kara Woods seeks help from a security influencer after she starts to get disturbing messages from one of her fans. Things seem fine for a while -- until her stalker begins to show up in person.

Hired to stage the ultimate holiday gala, an event planner rediscovers the magic of Christmas while searching for the perfect Santa.

Model Kara Woods seeks help from a security influencer after she starts to get disturbing messages from one of her fans. Things seem fine for a while -- until her stalker begins to show up in person.

Molly is a recently widowed woman who reluctantly takes on the job of directing a Christmas pageant. She soon finds herself falling for Hank, the leading man and the town's most eligible bachelor.

After inheriting an old house from her beloved aunt, Diana Hart finds clues that suggest her aunt was murdered and the culprit might be her handsome companion.

Hired to stage the ultimate holiday gala, an event planner rediscovers the magic of Christmas while searching for the perfect Santa.

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David Oulton interviews guests form the worlds of entertainment, business, fashion and politics.

Tani and Junior go under cover at a gym to track down a deadly batch of steroids; Danny and McGarrett work as bodyguards for Danny's high maintenance ex-mother-in-law, a famous romance novelist with whom he has never gotten along.

Molly is a recently widowed woman who reluctantly takes on the job of directing a Christmas pageant. She soon finds herself falling for Hank, the leading man and the town's most eligible bachelor.

After inheriting an old house from her beloved aunt, Diana Hart finds clues that suggest her aunt was murdered and the culprit might be her handsome companion.

Model Kara Woods seeks help from a security influencer after she starts to get disturbing messages from one of her fans. Things seem fine for a while -- until her stalker begins to show up in person.

Sparks fly between an app developer and a handsome graphic designer as he spends Christmas in Mexico with her family.

A new pastor finds romance during Christmastime while trying to get the church choir ready for the town's annual Winter Jamboree.

Caught in a blizzard on Christmas Eve, a woman and her estranged daughter find refuge inside a church with a group of parishioners. The spirit of the holiday season soon takes hold as they reconcile their differences through music, faith and love.

Sparks fly between an app developer and a handsome graphic designer as he spends Christmas in Mexico with her family.

A new pastor finds romance during Christmastime while trying to get the church choir ready for the town's annual Winter Jamboree.

Caught in a blizzard on Christmas Eve, a woman and her estranged daughter find refuge inside a church with a group of parishioners. The spirit of the holiday season soon takes hold as they reconcile their differences through music, faith and love.

Sparks fly between an app developer and a handsome graphic designer as he spends Christmas in Mexico with her family.

After an offhand wish to a man playing Santa Claus, a woman wakes up to find herself married to her college sweetheart.

An aspiring chef finds romance during Christmastime while preparing for an ice-sculpting competition.

A 17-year-old girl uses reverse psychology to get her kidnapper to set her free. When she returns home, the only person who believes her story is a veteran detective who realizes she was taken by a notorious serial killer.

When the HPD system is hacked and one of the Five-0's informants ends up dead, McGarrett enlists the help of hacker Aaron Wright, whom he just imprisoned.

At Halloween, the team investigates a string of murders that mirrors stories from well-known Hawaiian folklore; Grover visits a man who is hours away from execution and may hold the key to a case that has plagued Grover for years.

McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.

A bank heist in progress forces Steve to make a potentially heartbreaking mistake; Adam faces an empty home without Kono.

The murder of two tourists leads the team to a man who has multiple personality disorder; Danny and the others hire a stress management consultant to help McGarrett.

McGarrett, Danny, Tani, and Junior are exposed to a deadly biological weapon; the rest of the team has eight hours to find an antidote.

When the HPD system is hacked and one of the Five-0's informants ends up dead, McGarrett enlists the help of hacker Aaron Wright, whom he just imprisoned.

A group of wealthy teens becomes a "hybrid gang" responsible for the murder of 16-year-old Preston Lord; court developments and new evidence in the Delphi murders case; Gabbe Rowland survives a week of abuse by former schoolmate Justin Mustafa.

On the stand in her own defense, Sarah Boone says boyfriend Jorge Torres was abusive and voluntarily got into the suitcase; Canadian filmmaker Mark Twitchell, obsessed with the show "Dexter," murders Johnny Altinger and attacks Gilles Tetreault.

McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.

A bank heist in progress forces Steve to make a potentially heartbreaking mistake; Adam faces an empty home without Kono.

The murder of two tourists leads the team to a man who has multiple personality disorder; Danny and the others hire a stress management consultant to help McGarrett.

McGarrett, Danny, Tani, and Junior are exposed to a deadly biological weapon; the rest of the team has eight hours to find an antidote.

When the HPD system is hacked and one of the Five-0's informants ends up dead, McGarrett enlists the help of hacker Aaron Wright, whom he just imprisoned.

At Halloween, the team investigates a string of murders that mirrors stories from well-known Hawaiian folklore; Grover visits a man who is hours away from execution and may hold the key to a case that has plagued Grover for years.

McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.

A bank heist in progress forces Steve to make a potentially heartbreaking mistake; Adam faces an empty home without Kono.

The murder of two tourists leads the team to a man who has multiple personality disorder; Danny and the others hire a stress management consultant to help McGarrett.

A group of wealthy teens becomes a "hybrid gang" responsible for the murder of 16-year-old Preston Lord; court developments and new evidence in the Delphi murders case; Gabbe Rowland survives a week of abuse by former schoolmate Justin Mustafa.

On the stand in her own defense, Sarah Boone says boyfriend Jorge Torres was abusive and voluntarily got into the suitcase; Canadian filmmaker Mark Twitchell, obsessed with the show "Dexter," murders Johnny Altinger and attacks Gilles Tetreault.

The past comes back to haunt a woman in hiding who killed her abusive husband in self-defense.

Three women's lives become a living nightmare when a mysterious cyberbully hacks into their cellphones and computers. With help from a detective, they join forces to track down the culprit and end the harassment once and for all.

Upon learning that her uncle sold her Mom's vintage convertible -- a car full of Christmas memories -- Ashley enlists the help of her uncle's attorney, Duncan, to get it back.

A group of wealthy teens becomes a "hybrid gang" responsible for the murder of 16-year-old Preston Lord; court developments and new evidence in the Delphi murders case; Gabbe Rowland survives a week of abuse by former schoolmate Justin Mustafa.

On the stand in her own defense, Sarah Boone says boyfriend Jorge Torres was abusive and voluntarily got into the suitcase; Canadian filmmaker Mark Twitchell, obsessed with the show "Dexter," murders Johnny Altinger and attacks Gilles Tetreault.

Danny is shot while quarantined in the hospital; unconscious, he clings to life and imagines a future for everyone.

Danny tells Charlie a bedtime story about a case involving bad Santas and a holiday miracle.

When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit responsible for the murder.

After a member of the United States Navy Band is murdered in her home, Pride looks after the victim's nephew, who is the only witness to the crime.

Grover must prevent a man who is accused of killing his wife from committing suicide.

Jim Street debates whether or not his mother should live with him upon her release from prison; Hondo and the team are assigned to protect a high-profile Russian journalist who is visiting Los Angeles.